Utilizes buildingft. s existing telephone wiring yet functions with or without tenant CO lines * No monthly charges for a dedicated line * Tenants do not require phone service * Programmable keyless entry code for each tenant * Distinctive ring cadence and call waiting * Remotely programmable from dedicated programming phone * Supports (2) entry doors and (2) door strikes * 12-tenant capacity may be expanded to 96 tenants at any time * Compatible with Vikingft. s vandal resistant K-1700-3 K-1900-8 or any Touch Tone phone * May be wired so that tenants may talk to visitors without disrupting C.O. modem transmissions * Allows visitors to leave voice messages on tenants personal answering machines